Gamma Ray

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Earth-Orbiting Telescope Sees Far Side of Sun for the First Time
02:12 — NASA's Fermi Gamma-Ray Space Telescope, which orbits Earth, has observed solar activity on the far side of the sun. How is that possible? Video footag (more…)
Bonus: Deadly Beams
02:28 — The gamma ray burst has been described as the most colossal explosion in the universe. How does one form? If its beam of radiation hit Earth, how coul (more…)
The Universe: Death Stars Trailer
01:37 — Explore the threats to Earth from supernovas, gamma-ray bursts, and stars that collide.
Nova: Death Star Trailer
01:23 — They are so bright, they are a billion billion times more luminous than the sun. They are so distant, their light takes billions of years just to reac (more…)


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